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Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)


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Title Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)
Alternative Title Geschlechtliche Fortpflanzung der Kieselalge Stephanopyxis turris (Centrales)
Author Drebes, Gerhard
License CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
DOI 10.3203/IWF/C-983eng
IWF Signature C 983
Publisher IWF (Göttingen)
Release Date 1969
Language English
Producer Institut für den Wissenschaftlichen Film (IWF)
Production Year 1967

Content Metadata

Subject Area Life Sciences
Abstract Overview of vegetative cells and colonies. Emergence of spermatogonia, primary and secondary meiotic nuclear divisions in the spermatocytes, release of spermatozooids. Development of oogonia, primary and secondary meiotic nuclear divisions (pycnotic nuclei). Penetration of sperms into the oogonium, their migration to the egg nucleus, formation of auxospores with first and second shells, germination of initial cell. With time-lapse.
Keywords fertilization / Chrysophyceae
reproduction, sexual / Chrysophyceae
spores / Chrysophyceae
cell biology
Stephanopyxis turris
algae / diatom


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